8 to be much easier (straight forward) to work with B31 3 makes provisions for a multitude of services through a much, much more broad library of material and material stress values as a function of temerature.
Confusing me in that The above facilities shall be based on 31 3 OR 31 8 What are the differences in applying 31.. I just made a quick run through B31 8 Appendix D which lists the Specified Minimum Yield Strength for Steel Pipe Commonly Used in Piping Systems.. 3, the processes within the plant boundaries are intended to change the basic properties of the products processed there.. So please help us by uploading 1 new document or like us to download In the case of gas transmission pipeline systems (in the USA), the federal Code of Regulations (49CFR192) takes precedence and B31.. That digram showed that B31 8 right-of-ways sometimes crossed through the boundaries of B31.
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Sometimes, those boundaries MAY be within the boundaries of other ASME B31 Pressure Piping Codes.
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In older editions of the B31 3 Code, a diagram was included that showed (within the plant boundaries of process plants) the intended jurisdictions of various ASME B31 Pressure Piping Codes.. 8 becomes a guideline document that supplements the Code of Regulations The question comes up when considering the the facilities such as metering, pressure controlling, compressor stations, it seems that the facilities should be designed based on ASME B31.. For contractual purposes, the boundaries of B31 8 above-ground facilities should be established and shown unambiguously on the facility plot plan.. 8s functional equation but its not material dependent B31 8 and B31 3 both recognize pipe joint efficiences as far as seamless, ERW, etc.. 3, correct However B 31 8 also states that those facilities are covered by B31 8, as described in the its scope and intent.. there 41 (-) and only one stress value for each Sure theres a temperatrue derate variable in B31.. Something that comes into play in B31 8 but not in B31 3 is something called Location Class which is just a derate factor that takes into accound the riskexposure of the area of installation.. 3 plants and when that occurred ALL the piping within the B31 8 right-of-way was to be treated as B31. 0041d406d9